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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-372MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS000/00/0000Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-372
410-372-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-3MDCOMCAST IP PHONE, LLC (Comcast)318JTOWSONBLTMMDCHXFX09/15/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119TOWSONNOCLLIKNOWNN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-5MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325TOWSONNOCLLIKNOWN11/06/2002Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-6MDUS LEC OF MARYLAND, INC.2589TOWSONCLMAMDJTDS010/20/2004Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036TOWSONCLMAMDORGT005/12/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-372-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212TOWSONBLTMMDYKDS0N/APrefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info